Home / 910,482.21-1,256,465.69-502,584.30

Finding the Fourth Proportional to 910,482.21, 1,256,465.69 and 502,584.30

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Solution

The fourth proportional to 910,482.21, 1,256,465.69 and 502,584.30 is: 693,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,482.21 : 1,256,465.69 = 502,584.30 : x
  2. Step 2: Convert to fraction form
    910,482.21/1,256,465.69 = 502,584.30/x
  3. Step 3: Cross multiply
    910,482.21x = 1,256,465.69 × 502,584.30
  4. Step 4: Simplify right side
    910,482.21x = 631,479,926,769.75
  5. Step 5: Solve for x
    x = 631,479,926,769.75/910,482.21
  6. Step 6: Final answer
    x = 693,566.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.